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[[File:Compounding-en.png|thumb|Compounding process]] | [[File:Compounding-en.png|thumb|Compounding process]] | ||
[[File:Türinnenverkleidung Hanf-PP nova.jpg|thumb|Interior carpeting of a car's door made by a biocomposite of hemp fibres and polyethylene]] | [[File:Türinnenverkleidung Hanf-PP nova.jpg|thumb|Interior carpeting of a car's door made by a biocomposite of hemp fibres and polyethylene]] | ||
<onlyinclude>In '''Biocomposite processing''' bio-based materials are processed to composite materials. Normally these | <onlyinclude>In '''Biocomposite processing''' bio-based materials are processed to composite materials. Normally, these materials consist of a polymeric matrix that can be fossil- or bio-based. Bio-based materials fixed in this are for example wood dust, natural fibres, straws, rice husks, nutshells and others. Best-known biocomposites are Wood-Plastic-Composites (WPC) or Natural-fibre reinforced materials.</onlyinclude> | ||
== Feedstock == | == Feedstock == | ||
=== Origin and composition === | === Origin and composition === | ||
Biocomposite processing is secondary | Biocomposite processing is a secondary process where a composite material is formed by a matrix (resin) and a reinforcement of natural fibers or filling with other biomass-based materials like wood dust, agricultural wastes or sidestreams from food processing like nutshells or rice husks. In principal, the matrix can be a bio-based or a petro-based resin, but normally polymers like polypropylene, polyethylene or epoxys are used as matrix material. | ||
=== Pre-treatment === | === Pre-treatment === | ||
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== Process and technologies == | == Process and technologies == | ||
=== Types of biocomposites === | === Types of biocomposites === | ||
There are several types of biocomposites on the | There are several types of biocomposites on the market that normally have a fossil-based matrix with natural fibre reinforcement or wood filling. In principal also the matrix can be bio-based consisting of bio-based polymers like PLA, bio-PE, biogenic epoxis or PHAs. | ||
=== Processing technologies === | === Processing technologies === |